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Recognised as Colour

#613F39

  • #613F39
  • Red
  • Dark
  • Nearest: Dim grey

#613F39 is a red with RGB values 97, 63, 57 and HSL 9°, 26%, 30%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#613F39#613F39
HEX#613F39
RGBrgb(97, 63, 57)
RGB (0–1)0.3804, 0.2471, 0.2235
RGB percentages38%, 24.7%, 22.4%
HSLhsl(9, 26%, 30.2%)
HSV / HSBhsv(9, 41.2%, 38%)
CMYK0%, 35.1%, 41.2%, 62%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,373,177
CSS custom property--colour: #613F39;

Brightness & contrast

Relative luminance0.06392WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.22:1
Contrast with white9.22:1WCAG normal text: AAA
Contrast with black2.28:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#9EC0C6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#474338no red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#4F4A39no green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#683A3Dno blue cones; rare, and affects men and women equally; ΔE 7.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.22:1WCAG large text: AAA
Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Dim grey · ΔE 22.1Gray · ΔE 28.8Dark slate grey · ΔE 29.1Sienna · ΔE 32.9Rosy brown · ΔE 33.5Slate grey · ΔE 34.3
Nearest named CSS colourDim grey (#696969)ΔE 22.11, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#395B61
Analogous#613947, #615339
Triadic#39613F, #3F3961
Split complementary#396153, #394761
Tetradic#476139, #395B61, #533961

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7A59F
Lighter +30%#B4877F
Lighter +20%#A1695F
Lighter +10%#81544C
Darker −10%#412A26
Darker −20%#211513
Darker −30%#010000
Darker −40%#000000
More saturated +25%#743226
Less saturated −25%#4E4C4C

Channel breakdown

R97
G63
B57
Red97 (38%)
Green63 (24.7%)
Blue57 (22.4%)
Hue9°
Saturation (HSL)25.97%
Lightness30.2%
Dominant channelRed
Hex per channelR 61 · G 3F · B 39

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Every value on this page was computed from “613f39” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.